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Funnel Radiator 3D Models: STL Files to Browse

This collection gathers 3D models shaped around radiators: coolant fillers, drain and bleed funnels, cap adapters and funnel-shaped fan mounts. Most of them are simple parts that are awkward to buy in the exact size you need, which makes 3D printing a practical route. You can browse the list, then open a model page to see the dimensions and the settings its author describes. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

Le texte de cette collection est rédigé en anglais ; la recherche, elle, fonctionne dans toutes les langues.

Une collection Polyzon · 46 modèles sur 4 plateformes

Comment cette collection est composée

Polyzon compose cette collection à partir des résultats de recherche des plateformes connectées. Les doublons et les modèles sans aperçu sont retirés, les correspondances faibles sont placées à la fin, et le reste suit l’ordre de la recherche. Les modèles appartiennent à leurs auteurs : consultez les conditions sur la page de chaque modèle.

Règles de sélection : la rédaction de Polyzon · Texte mis à jour le 15/10/2026

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«Funnel Radiator 3D Models: STL Files to Browse»

The models fall into a few groups. Coolant fill funnels sit on a filler neck and guide liquid into the system, sometimes with a bend or an offset to clear nearby parts. Drain and bleed funnels are made for emptying a radiator or catching fluid at a vent, so they tend to be longer and narrower. Adapters and spacers fit between a cap or neck and the funnel, while fan mounts and ducted shapes move air rather than liquid. Parametric and wide-mouth funnels cover general pouring jobs where only the opening and taper matter.

When you pick a model, read the page before downloading. Check the inner and outer diameters at the neck, the overall height, the wall thickness and whether the part is one piece or several that join. Look at the material and layer settings the author lists, since a thin wall printed in a brittle material behaves differently from a thicker one. Photos of real prints show how the surface came out and where supports were used.

If the results feel narrow, try other wording. Terms such as coolant filler, bleed funnel, drain funnel, filling aid, cap adapter or hose adapter describe much the same objects. Related topics include radiator mounts, fan shrouds, funnel holders and workshop funnels for oil or water. Combining a function word with a size or a thread type usually narrows the list faster than a single broad phrase.

FAQ

Questions fréquentes

What are funnel radiator models used for?
They guide or drain liquid around a radiator: filling a coolant system, bleeding air, emptying a unit, or dosing an additive. Some are shaped as ducts or mounts for a fan instead.
How do I choose the right size?
Measure the opening you need to fit, then compare it with the diameters and height given on the model page. A slight taper or an adapter ring can bridge a small difference.
Do these parts need supports?
It depends on the shape. Funnels with a wide cone and a flat base often print without them, while angled necks and overhanging rims may need support. The author's page usually states this.
Which material works for a funnel near a hot radiator?
Look at the temperature the author mentions and the conditions where the part will sit. A funnel used briefly for cold coolant sees less heat than one left mounted on a hot unit.
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